The implementation of floating arc tangent function based on FPGA
Li Quan · Application of Electronic Technique · 2010
This paper presents a architecture of arc tangent calculate circuit based on CORDIC algorithm.Software simulation and hardware experiment has been done for this module on Altera FPGA.Finally,we accomplish the hardware module by adding custom instruction on the Nios II processor system of Altera corporation.The floating-point arc tangent module's correctness is proved by C program running in the Nios II processor.